Tip.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:5k
源码类别:
中间件编程
开发平台:
JavaScript
- /*! * Ext JS Library 3.0.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.com/license */ /**
- * @class Ext.Tip
- * @extends Ext.Panel
- * This is the base class for {@link Ext.QuickTip} and {@link Ext.Tooltip} that provides the basic layout and
- * positioning that all tip-based classes require. This class can be used directly for simple, statically-positioned
- * tips that are displayed programmatically, or it can be extended to provide custom tip implementations.
- * @constructor
- * Create a new Tip
- * @param {Object} config The configuration options
- */
- Ext.Tip = Ext.extend(Ext.Panel, {
- /**
- * @cfg {Boolean} closable True to render a close tool button into the tooltip header (defaults to false).
- */
- /**
- * @cfg {Number} width
- * Width in pixels of the tip (defaults to auto). Width will be ignored if it exceeds the bounds of
- * {@link #minWidth} or {@link #maxWidth}. The maximum supported value is 500.
- */
- /**
- * @cfg {Number} minWidth The minimum width of the tip in pixels (defaults to 40).
- */
- minWidth : 40,
- /**
- * @cfg {Number} maxWidth The maximum width of the tip in pixels (defaults to 300). The maximum supported value is 500.
- */
- maxWidth : 300,
- /**
- * @cfg {Boolean/String} shadow True or "sides" for the default effect, "frame" for 4-way shadow, and "drop"
- * for bottom-right shadow (defaults to "sides").
- */
- shadow : "sides",
- /**
- * @cfg {String} defaultAlign <b>Experimental</b>. The default {@link Ext.Element#alignTo} anchor position value
- * for this tip relative to its element of origin (defaults to "tl-bl?").
- */
- defaultAlign : "tl-bl?",
- autoRender: true,
- quickShowInterval : 250,
- // private panel overrides
- frame:true,
- hidden:true,
- baseCls: 'x-tip',
- floating:{shadow:true,shim:true,useDisplay:true,constrain:false},
- autoHeight:true,
- closeAction: 'hide',
- // private
- initComponent : function(){
- Ext.Tip.superclass.initComponent.call(this);
- if(this.closable && !this.title){
- this.elements += ',header';
- }
- },
- // private
- afterRender : function(){
- Ext.Tip.superclass.afterRender.call(this);
- if(this.closable){
- this.addTool({
- id: 'close',
- handler: this[this.closeAction],
- scope: this
- });
- }
- },
- /**
- * Shows this tip at the specified XY position. Example usage:
- * <pre><code>
- // Show the tip at x:50 and y:100
- tip.showAt([50,100]);
- </code></pre>
- * @param {Array} xy An array containing the x and y coordinates
- */
- showAt : function(xy){
- Ext.Tip.superclass.show.call(this);
- if(this.measureWidth !== false && (!this.initialConfig || typeof this.initialConfig.width != 'number')){
- this.doAutoWidth();
- }
- if(this.constrainPosition){
- xy = this.el.adjustForConstraints(xy);
- }
- this.setPagePosition(xy[0], xy[1]);
- },
- // protected
- doAutoWidth : function(){
- var bw = this.body.getTextWidth();
- if(this.title){
- bw = Math.max(bw, this.header.child('span').getTextWidth(this.title));
- }
- bw += this.getFrameWidth() + (this.closable ? 20 : 0) + this.body.getPadding("lr");
- this.setWidth(bw.constrain(this.minWidth, this.maxWidth));
- // IE7 repaint bug on initial show
- if(Ext.isIE7 && !this.repainted){
- this.el.repaint();
- this.repainted = true;
- }
- },
- /**
- * <b>Experimental</b>. Shows this tip at a position relative to another element using a standard {@link Ext.Element#alignTo}
- * anchor position value. Example usage:
- * <pre><code>
- // Show the tip at the default position ('tl-br?')
- tip.showBy('my-el');
- // Show the tip's top-left corner anchored to the element's top-right corner
- tip.showBy('my-el', 'tl-tr');
- </code></pre>
- * @param {Mixed} el An HTMLElement, Ext.Element or string id of the target element to align to
- * @param {String} position (optional) A valid {@link Ext.Element#alignTo} anchor position (defaults to 'tl-br?' or
- * {@link #defaultAlign} if specified).
- */
- showBy : function(el, pos){
- if(!this.rendered){
- this.render(Ext.getBody());
- }
- this.showAt(this.el.getAlignToXY(el, pos || this.defaultAlign));
- },
- initDraggable : function(){
- this.dd = new Ext.Tip.DD(this, typeof this.draggable == 'boolean' ? null : this.draggable);
- this.header.addClass('x-tip-draggable');
- }
- });
- // private - custom Tip DD implementation
- Ext.Tip.DD = function(tip, config){
- Ext.apply(this, config);
- this.tip = tip;
- Ext.Tip.DD.superclass.constructor.call(this, tip.el.id, 'WindowDD-'+tip.id);
- this.setHandleElId(tip.header.id);
- this.scroll = false;
- };
- Ext.extend(Ext.Tip.DD, Ext.dd.DD, {
- moveOnly:true,
- scroll:false,
- headerOffsets:[100, 25],
- startDrag : function(){
- this.tip.el.disableShadow();
- },
- endDrag : function(e){
- this.tip.el.enableShadow(true);
- }
- });